Παραπομπή APA

Kumar ,V, & Reinartz,Werner J. (1999). Customer Relationship Management: A databased approach. John Wiley & Sons.

Παραπομπή Chicago Style

Kumar ,V, και Reinartz,Werner J. Customer Relationship Management: A Databased Approach. New Delhi: John Wiley & Sons, 1999.

Παραπομπή MLA

Kumar ,V, και Reinartz,Werner J. Customer Relationship Management: A Databased Approach. John Wiley & Sons, 1999.